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Sony DT 16-50mm F2.8 SSM vs Sigma 18-50mm F2.8-4.5 DC OS HSM

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Sony DT 16-50mm F2.8 SSM

Standard Zoom | Sony Alpha

Sony DT 16-50mm F2.8 SSM
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Sigma 18-50mm F2.8-4.5 DC OS HSM

Standard Zoom | Sony Alpha

Sigma 18-50mm F2.8-4.5 DC OS HSM
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Sony DT 16-50mm F2.8 SSM vs Sigma 18-50mm F2.8-4.5 DC OS HSM Comparison Overview

In this review, we will be comparing Sony DT 16-50mm F2.8 SSM and Sigma 18-50mm F2.8-4.5 DC OS HSM, two Standard Zoom lenses from Sony and Sigma.

We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.

Sony DT 16-50mm F2.8 SSM Key Specs

  • 16-50mm Focal Range
  • F2.8 Max Aperture
  • Weather Sealed
  • Filter Thread: 72mm
  • Max Format: APS-C / DX
  • Sony Alpha Mount
  • Weight: 577g.
  • Diameter: 81mm
  • Length: 88mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.2x

Sigma 18-50mm F2.8-4.5 DC OS HSM Key Specs

  • 18-50mm Focal Range
  • F2.8 - F4.5 Max Aperture
  • Image Stabilization
  • Filter Thread: 67mm
  • Max Format: APS-C / DX
  • Sony Alpha Mount
  • Weight: 395g.
  • Diameter: 74mm
  • Length: 89mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.24x

What type of photography are the Sony DT 16-50mm F2.8 SSM and Sigma 18-50mm F2.8-4.5 DC OS HSM lenses good for?

The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony DT 16-50mm F2.8 SSM and the Sigma 18-50mm F2.8-4.5 DC OS HSM for their suitability to various photography scenarios:

Photography Type Sony DT 16-50mm F2.8 SSM Sigma 18-50mm F2.8-4.5 DC OS HSM
Bird/WildlifeFairFair
SportsAverageAverage
PortraitVery GoodVery Good
TravelVery GoodVery Good
StreetVery GoodVery Good
WeddingVery GoodVery Good
Walk AroundVery GoodVery Good
VloggingVery GoodVery Good
LandscapeVery GoodVery Good
MacroFairFair

Size and Weight Comparison

Size of a lens is an important deciding factor when comparing two lenses.Sigma 18-50mm F2.8-4.5 DC OS HSM is the longer of the two lenses at 89mm. The Sony DT 16-50mm F2.8 SSM with a length of 88mm is 1mm shorter. On the other hand, the Sony DT 16-50mm F2.8 SSM has a larger diameter of 81mm compared to Sigma 18-50mm F2.8-4.5 DC OS HSM's 74mm diameter.

Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sigma 18-50mm F2.8-4.5 DC OS HSM weighs 395g, 31% (182g) lighter than the Sony DT 16-50mm F2.8 SSM's weight of 577g.


Below you can find the dimension and weight table of the 'Standard Zoom Lenses in Sony Alpha Mount for size comparison purposes.

Standard Zoom Lenses in Sony Alpha Mount for Size Comparison
Model Length Diameter Weight Street Price
Sony 28-75mm F2.8 SAM Lens Sony 28-75mm F2.8 SAM
98mm
78mm 565g Amazon B&H Photo
Sony DT 18-55mm F3.5-5.6 SAM Lens Sony DT 18-55mm F3.5-5.6 SAM
69mm
70mm 210g Amazon B&H Photo
Tamron SP 24-70mm F2.8 Di VC USD Lens Tamron 24-70mm f2.8 VC USD
117mm
88mm 825g Amazon B&H Photo
Sigma 24-70mm F2.8 EX DG HSM Lens Sigma 24-70mm F2.8 EX DG HSM
95mm
89mm 790g Amazon B&H Photo
Sigma 17-50mm F2.8 EX DC OS HSM Lens Sigma 17-50mm F2.8 EX DC OS HSM
92mm
84mm 565g Amazon B&H Photo
Sigma 18-35mm F1.8 DC HSM Lens Sigma 18-35mm F1.8 DC HSM
121mm
78mm 810g Amazon B&H Photo
Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T Lens Sony 24-70mm F2.8 ZA SSM
111mm
83mm 955g Amazon B&H Photo
Sony Vario-Sonnar T 24-70mm F2.8 ZA SSM II Lens Sony 24-70mm F2.8 ZA SSM II
111mm
83mm 974g Amazon B&H Photo

Lens Mounts

Both Sony DT 16-50mm F2.8 SSM and Sigma 18-50mm F2.8-4.5 DC OS HSM has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A68, Sony A77 II and Sony A58.

Sigma 18-50mm F2.8-4.5 DC OS HSM is also available in Canon EF , Pentax KAF3, Sigma SA and Nikon F (DX) mounts.

Focal Range

Sony DT 16-50mm F2.8 SSM has a focal range of 16-50mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-75mm when used on a APS-C / DX format camera. Sigma 18-50mm F2.8-4.5 DC OS HSM has a focal range of 18-50mm and 2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-75mm when used on a APS-C / DX format camera.

Reasons to choose Sony DT 16-50mm F2.8 SSM over Sigma 18-50mm F2.8-4.5 DC OS HSM

Focal Length - Wide 16mm vs 18mm 2mm Wider coverage
Optical Zoom 3.10x vs 2.80x More flexible focal coverage
Max Aperture - Tele 2.8 vs 4.5 Wider aperture at tele end
Depth-of-Field Scale Yes vs No Depth of Field scale to assist focusing
Length 88mm vs 89mm 1mm shorter
Weather Sealing Yes vs No safer to use under rain and dust

Reasons to choose Sigma 18-50mm F2.8-4.5 DC OS HSM over Sony DT 16-50mm F2.8 SSM

Image Stabilization Yes vs No Sharper Images at longer shutter speeds
Internal Zoom Yes vs No Length of the lens doesn't change during zooming
Weight 395g vs 577g 182g lighter
Diameter 74mm vs 81mm 7mm smaller in diameter
Filter Thread 67mm vs 72mm Smaller filters are cheaper and easier to find
Max Magnification 0.24x vs 0.2x higher magnification better for close-up shots

Common Strengths of Sony DT 16-50mm F2.8 SSM and Sigma 18-50mm F2.8-4.5 DC OS HSM
Distance Scale Yes vs Yes Distance Scale to assist focusing



**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Sony DT 16-50mm F2.8 SSM vs Sigma 18-50mm F2.8-4.5 DC OS HSM Specs Table

Detailed comparison of specifications
General
Brand Sony Sigma
Lens Type Zoom Zoom
Price CHECK PRICE CHECK PRICE
Lens Type Standard Zoom Standard Zoom
Lens Mount Sony Alpha Sony Alpha
Max Format APS-C / DX APS-C / DX
Focal Range 16-50mm 18-50mm
Image Stabilization No Yes
Colour Black Unknown
Zoom Method Rotary (extending) Rotary (internal)
Power Zoom - -
Zoom Lock Yes -
Zoom Ratio 3.1X 2.8X
Aperture
Max Aperture F2.8 F2.8 - F4.5
Min Aperture F22.0 F22.0 - F36.0
Aperture Ring No No
Diaphragm Blades 7 7
Optics
Optical Elements 16 16
Optical Groups 13 12
Focusing
Min Focus Distance 0.3m 0.3m
Max Magnification 0.2X 0.24X
Autofocus Yes Yes
AF Motor Type Ultrasonic Ultrasonic
Full Time Manual No
Focus Method Unknown Internal
Distance Scale Yes Yes
DoF Scale Yes No
Distance Scale Yes Yes
Focus Distance Limiter Unknown No
Physical Specs
Weight 577g 395g
Diameter 81mm 74mm
Length 88mm 89mm
Materials Metal mount Metal mount
Weather Sealing Yes No
Filter Thread 72mm 67mm
Filter Notes - Does not rotate on focusing
Hood Supplied Yes Yes
Hood Code ALC-SH117 Unknown
Tripod Collar No No
Optional Accessories - -
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